def print_head(syscall, p, name):
formal_args = ", ".join([
"struct thread *td",
"struct {name}_args *uap".format(**locals())
] + (["int lfd"]
if find_file_descriptor_argument(syscall) is not None
else []))
print_caution(p)
p("""\
#include <sys/param.h>
#include <sys/errno.h>
#include <sys/fcntl.h>
#include <sys/libkern.h>
#include <sys/proc.h>
#include <sys/stat.h>
#include <sys/syslog.h>
#include <sys/sysproto.h>
#include <sys/time.h>
#include <sys/types.h>
#include <sys/uio.h>
#include <fsyscall/private.h>
#include <fsyscall/private/command.h>
#include <fsyscall/private/encode.h>
#include <fsyscall/private/fmaster.h>
#include <sys/fmaster/fmaster_pre_post.h>
#include <sys/fmaster/fmaster_proto.h>
static int
execute_call({formal_args})
{{
""".format(**locals()))
def print_fslave_head(p, syscall):
args = ["struct slave_thread *slave_thread", "int *retval", "int *errnum"]
for a in syscall.output_args:
args.append(make_formal_arguments_of_execute_call(syscall, a))
name = drop_prefix(syscall.name)
print_caution(p)
p("""\
#include <sys/types.h>
#include <sys/event.h>
#include <sys/resource.h>
#include <sys/socket.h>
#include <sys/stat.h>
#include <sys/time.h>
#include <sys/uio.h>
#include <sys/wait.h>
#include <errno.h>
#include <fcntl.h>
#include <signal.h>
#include <stdlib.h>
#include <unistd.h>
#include <fsyscall/private.h>
#include <fsyscall/private/command.h>
#include <fsyscall/private/encode.h>
#include <fsyscall/private/fslave.h>
#include <fsyscall/private/io.h>
#include <fsyscall/private/io_or_die.h>
static void
execute_call({args})
{{
""".format(args=", ".join(args)))
def write_proto(dirpath, syscalls):
try:
mkdir(dirpath)
except OSError:
pass
with open(join(dirpath, "proto.h"), "w") as fp:
p, print_newline = partial_print(fp)
print_caution(p)
p("""\
#if !defined(FSYSCALL_PRIVATE_FSLAVE_PROTO_H_INCLUDED)
#define FSYSCALL_PRIVATE_FSLAVE_PROTO_H_INCLUDED
""")
print_newline()
for syscall in syscalls:
if syscall.name not in FSLAVE_SYSCALLS:
continue
p("""\
void process_{name}(struct slave_thread *);
""".format(name=drop_prefix(syscall.name)))
print_newline()
p("""\
#endif
""")
def write_pre_post_h(dirpath, syscalls):
with open(join(dirpath, "fmaster_pre_post.h"), "w") as fp:
p = fp.write
print_newline = partial(p, "\n")
print_caution(p)
p("""\
#include <sys/proc.h>
#include <sys/fmaster/fmaster_proto.h>
""")
print_newline()
protos = []
for syscall in [syscall for syscall in syscalls if syscall.pre_execute]:
fmt = "enum fmaster_pre_execute_result {name}_pre_execute(struct thread *, struct {name}_args *, int *);\n"
protos.append(fmt.format(name=syscall.name))
for syscall in [syscall for syscall in syscalls if syscall.post_execute]:
fmt = "int {name}_post_execute(struct thread *, struct {name}_args *);\n"
protos.append(fmt.format(name=syscall.name))
for syscall in [syscall for syscall in syscalls if syscall.post_common]:
fmt = "int {name}_post_common(struct thread *, struct {name}_args *);\n"
protos.append(fmt.format(name=syscall.name))
p("".join(sorted(protos)))
